I need an app Voice changer during call for Android Platform

General information for the business: We sell this kind of apps to google play store...
Kind of development: New program from scratch
Description of requirements/functionality: Description

Change voice in real time during call and add crazy sound effects.
Ultimate app for making funny phone calls. Make your voice high and funny or deep and creepy at the touch of a button.

Features:

* Make phone calls: Easily change the pitch of your voice while on the phone
* Real-time effects: Change the sound effect any time during your call
* Spice up calls: Play fun sound effects like siren, gong, dog bark, and more!

Required Various Types of voices :
• Young Lady
• Small Baby
• 3 years Baby
• 10 Years girl
• 16 Years girl
• 21 Years girl
• 35 Years Lady
• Old Women
• High Pitch Toned girl
• Low Pitch Toned Girl
• Young boy
• Small boy
• 3 years boy
• 10 Years boy
• 16 Years boy
• 21 Years boy
• 35 Years boy
• Old men
• High Pitch Toned boy
• Low Pitch Toned boy Etc... *

Offline Minutes credits: Free and Premium

New users may be given some free minutes to test the app in the 2 weeks after installation. Users can buy more time or Monthly Plan from the app or earn free minutes.
Specific technologies required: Android
Extra notes: Description

Change voice in real time during call and add crazy sound effects.
Ultimate app for making funny phone calls. Make your voice high and funny or deep and creepy at the touch of a button.

Features:

* Make phone calls: Easily change the pitch of your voice while on the phone
* Real-time effects: Change the sound effect any time during your call
* Spice up calls: Play fun sound effects like siren, gong, dog bark, and more!

Required Various Types of voices :
• Young Lady
• Small Baby
• 3 years Baby
• 10 Years girl
• 16 Years girl
• 21 Years girl
• 35 Years Lady
• Old Women
• High Pitch Toned girl
• Low Pitch Toned Girl
• Young boy
• Small boy
• 3 years boy
• 10 Years boy
• 16 Years boy
• 21 Years boy
• 35 Years boy
• Old men
• High Pitch Toned boy
• Low Pitch Toned boy Etc... *

Offline Minutes credits: Free and Premium

New users may be given some free minutes to test the app in the 2 weeks after installation. Users can buy more time or Monthly Plan from the app or earn free minutes.